AMD Radeon R7 M445 vs NVIDIA GeForce GTX 870M

VS

AMD Radeon R7 M445

NVIDIA GeForce GTX 870M

We compared two Mobile platform GPUs: 4GB VRAM Radeon R7 M445 and 3GB VRAM GeForce GTX 870M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R7 M445 's Advantages

Released 2 years and 2 months late

More VRAM (4GB vs 3GB)

NVIDIA GeForce GTX 870M 's Advantages

Boost Clock has increased by 5% (967MHz vs 920MHz)

Larger VRAM bandwidth (120.0GB/s vs 32.00GB/s)

1024 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R7 M445

0.588 TFLOPS

GeForce GTX 870M +342%

2.599 TFLOPS

Radeon R7 M445

VS

GeForce GTX 870M

Graphics Card

May 2016

Release Date

Mar 2014

Gem System

Generation

GeForce 800M

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

MXM-B (3.0)

Clock Speeds

780 MHz

Base Clock

941 MHz

920 MHz

Boost Clock

967 MHz

1000 MHz

Memory Clock

1250 MHz

Memory

4GB

Memory Size

3GB

GDDR5

Memory Type

GDDR5

64bit

Memory Bus

192bit

32.00GB/s

Bandwidth

120.0GB/s

Render Config

5

Compute Units

-

320

Shading Units

1344

20

TMUs

112

8

ROPs

24

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

128 KB

L2 Cache

384 KB

-

Theoretical Performance

7.360 GPixel/s

Pixel Rate

27.08 GPixel/s

18.40 GTexel/s

Texture Rate

108.3 GTexel/s

588.8 GFLOPS

FP16 (half)

-

588.8 GFLOPS

FP32 (float)

2.599 TFLOPS

36.80 GFLOPS

FP64 (double)

108.3 GFLOPS

Board Design

Unknown

TDP

100W

-

Portable Device Dependent

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Meso

GPU Name

GK104

Meso PRO (216-0864032)

GPU Variant

N15E-GT-A2

GCN 3.0

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.55 billion

Transistors

3.54 billion

125 mm²

Die Size

294 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.1

OpenCL

3.0

1.2.170

Vulkan

1.1

-

CUDA

3.0

6.5

Shader Model

5.1

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